12973729320532 has 48 divisors (see below), whose sum is σ = 23351532120000. Its totient is φ = 6303153232640.

The previous prime is 12973729320521. The next prime is 12973729320533. The reversal of 12973729320532 is 23502392737921.

It is a happy number.

12973729320532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973729320533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146553219 + ... + 146641717.

It is an arithmetic number, because the mean of its divisors is an integer number (486490252500).

Almost surely, 2^{12973729320532} is an apocalyptic number.

It is an amenable number.

12973729320532 is a deficient number, since it is larger than the sum of its proper divisors (10377802799468).

12973729320532 is a wasteful number, since it uses less digits than its factorization.

12973729320532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92136 (or 92134 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 12973729320532 in words is "twelve trillion, nine hundred seventy-three billion, seven hundred twenty-nine million, three hundred twenty thousand, five hundred thirty-two".